Finding the Fourth Proportional to 81,411.35, 112,354.65 and 45,608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,411.35 : 112,354.65 = 45,608.72 : x
2. Step 2: Convert to fraction form
   81,411.35/112,354.65 = 45,608.72/x
3. Step 3: Cross multiply
   81,411.35x = 112,354.65 × 45,608.72
4. Step 4: Simplify right side
   81,411.35x = 5,124,351,210.77
5. Step 5: Solve for x
   x = 5,124,351,210.77/81,411.35
6. Step 6: Final answer
   x = 62,943.94